Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cubic yard of air weighs about 2 pounds at sea level.
31
The sun is 330,330 times larger than the earth.
75
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Cold water weighs more than hot water.
93
Aluminum used to be more valuable than gold!
84
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21